APAR status
Closed as program error.
Error description
Error Message: The WebSphere nodeagent on Linux Power 6 machine shows constant high CPU (about 25%). If verbose GC is turned on, the verbose GC log shows the GC is invoked almost every half second. If the trace com.ibm.ws.management.nodeagent.PidWaiter is turned on, the trace log for the nodeagent indicates the PidWaiter appears to be pinging servers about 22.5k times a minute. . Stack Trace: N/A .
Local fix
Problem summary
The problem is caused by the fact that the VM assembly code calls a libc function (sleep) with a mis-aligned native stack.
Problem conclusion
This defect will be fixed in: 5.0.0 SR12 6.0.0 SR8 . Sufficient alignment in the native stack is now maintained. . To obtain the fix: Install build 20100307 or later
Temporary fix
Comments
APAR Information
APAR number
IZ71984
Reported component name
JAVA 5 J9 COMMO
Reported component ID
620500127
Reported release
500
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-03-06
Closed date
2010-03-09
Last modified date
2010-03-23
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
JAVA 5 J9 COMMO
Fixed component ID
620500127
Applicable component levels
R500 PSN
UP
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